10.one of the vasic principles of wildlife conservation involves ____adequate natural food and shelter to maintain populations of each species in a given habitat.
a.the provision
b.that provision
c.to provide
d.providing
答案是d,为什么C不可以呢?笔记上说involve 后不能接动词不定式,有这种讲法吗?请指教!谢谢!
举报
发表回复
手机版|ChaseDream|GMT+8, 2025-10-11 18:45 京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
ChaseDream 论坛
© 2003-2025 ChaseDream.com. All Rights Reserved.